diff --git a/cmd/harmony/main.go b/cmd/harmony/main.go
index d13ba266e..afffa1f3c 100644
--- a/cmd/harmony/main.go
+++ b/cmd/harmony/main.go
@@ -700,9 +700,8 @@ func setupConsensusAndNode(hc harmonyconfig.HarmonyConfig, nodeConfig *nodeconfi
 		chainDBFactory = &shardchain.LDBFactory{RootDir: nodeConfig.DBDir}
 	}
 
-	chainConfig := nodeConfig.GetNetworkType().ChainConfig()
 	collection := shardchain.NewCollection(
-		&hc, chainDBFactory, &core.GenesisInitializer{NetworkType: nodeConfig.GetNetworkType()}, &chainConfig,
+		&hc, chainDBFactory, &core.GenesisInitializer{}, nodeConfig.GetNetworkType(),
 	)
 	for shardID, archival := range nodeConfig.ArchiveModes() {
 		if archival {
diff --git a/core/genesis_initializer.go b/core/genesis_initializer.go
index 04c6c85ed..87ddd5fff 100644
--- a/core/genesis_initializer.go
+++ b/core/genesis_initializer.go
@@ -13,11 +13,10 @@ import (
 
 // GenesisInitializer is a shardchain.DBInitializer adapter.
 type GenesisInitializer struct {
-	NetworkType nodeconfig.NetworkType
 }
 
 // InitChainDB sets up a new genesis block in the database for the given shard.
-func (gi *GenesisInitializer) InitChainDB(db ethdb.Database, shardID uint32) error {
+func (gi *GenesisInitializer) InitChainDB(db ethdb.Database, networkType nodeconfig.NetworkType, shardID uint32) error {
 	shardState, _ := committee.WithStakingEnabled.Compute(
 		big.NewInt(GenesisEpoch), nil,
 	)
@@ -34,14 +33,14 @@ func (gi *GenesisInitializer) InitChainDB(db ethdb.Database, shardID uint32) err
 		}
 		shardState = &shard.State{Shards: []shard.Committee{*subComm}}
 	}
-	gi.setupGenesisBlock(db, shardID, shardState)
+	gi.setupGenesisBlock(db, shardID, shardState, networkType)
 	return nil
 }
 
 // SetupGenesisBlock sets up a genesis blockchain.
-func (gi *GenesisInitializer) setupGenesisBlock(db ethdb.Database, shardID uint32, myShardState *shard.State) {
+func (gi *GenesisInitializer) setupGenesisBlock(db ethdb.Database, shardID uint32, myShardState *shard.State, networkType nodeconfig.NetworkType) {
 	utils.Logger().Info().Interface("shardID", shardID).Msg("setting up a brand new chain database")
-	gspec := NewGenesisSpec(gi.NetworkType, shardID)
+	gspec := NewGenesisSpec(networkType, shardID)
 	gspec.ShardStateHash = myShardState.Hash()
 	gspec.ShardState = *myShardState.DeepCopy()
 	// Store genesis block into db.
diff --git a/internal/shardchain/dbinit.go b/internal/shardchain/dbinit.go
index 4987a7886..b7b5d9e38 100644
--- a/internal/shardchain/dbinit.go
+++ b/internal/shardchain/dbinit.go
@@ -1,8 +1,11 @@
 package shardchain
 
-import "github.com/ethereum/go-ethereum/ethdb"
+import (
+	"github.com/ethereum/go-ethereum/ethdb"
+	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
+)
 
 // DBInitializer initializes a newly created chain database.
 type DBInitializer interface {
-	InitChainDB(db ethdb.Database, shardID uint32) error
+	InitChainDB(db ethdb.Database, networkType nodeconfig.NetworkType, shardID uint32) error
 }
diff --git a/internal/shardchain/shardchains.go b/internal/shardchain/shardchains.go
index a0f0e40ea..957ba9150 100644
--- a/internal/shardchain/shardchains.go
+++ b/internal/shardchain/shardchains.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/harmony-one/harmony/core/state"
 	harmonyconfig "github.com/harmony-one/harmony/internal/configs/harmony"
+	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
 	"github.com/harmony-one/harmony/internal/shardchain/tikv_manage"
 
 	"github.com/harmony-one/harmony/shard"
@@ -16,7 +17,6 @@ import (
 	"github.com/harmony-one/harmony/core"
 	"github.com/harmony-one/harmony/core/rawdb"
 	"github.com/harmony-one/harmony/core/vm"
-	"github.com/harmony-one/harmony/internal/params"
 	"github.com/harmony-one/harmony/internal/utils"
 	"github.com/pkg/errors"
 )
@@ -42,7 +42,7 @@ type CollectionImpl struct {
 	mtx           sync.Mutex
 	pool          map[uint32]core.BlockChain
 	disableCache  map[uint32]bool
-	chainConfig   *params.ChainConfig
+	networkType   nodeconfig.NetworkType
 	harmonyconfig *harmonyconfig.HarmonyConfig
 }
 
@@ -55,7 +55,7 @@ type CollectionImpl struct {
 func NewCollection(
 	harmonyconfig *harmonyconfig.HarmonyConfig,
 	dbFactory DBFactory, dbInit DBInitializer,
-	chainConfig *params.ChainConfig,
+	network nodeconfig.NetworkType,
 ) *CollectionImpl {
 	return &CollectionImpl{
 		harmonyconfig: harmonyconfig,
@@ -63,7 +63,7 @@ func NewCollection(
 		dbInit:        dbInit,
 		pool:          make(map[uint32]core.BlockChain),
 		disableCache:  make(map[uint32]bool),
-		chainConfig:   chainConfig,
+		networkType:   network,
 	}
 }
 
@@ -92,7 +92,7 @@ func (sc *CollectionImpl) ShardChain(shardID uint32, options ...core.Options) (c
 		utils.Logger().Info().
 			Uint32("shardID", shardID).
 			Msg("initializing a new chain database")
-		if err := sc.dbInit.InitChainDB(db, shardID); err != nil {
+		if err := sc.dbInit.InitChainDB(db, sc.networkType, shardID); err != nil {
 			return nil, errors.Wrapf(err, "cannot initialize a new chain database")
 		}
 	}
@@ -113,7 +113,7 @@ func (sc *CollectionImpl) ShardChain(shardID uint32, options ...core.Options) (c
 		}
 	}
 
-	chainConfig := *sc.chainConfig
+	chainConfig := sc.networkType.ChainConfig()
 
 	if shardID == shard.BeaconChainShardID {
 		// For beacon chain inside a shard chain, need to reset the eth chainID to shard 0's eth chainID in the config